Finding the Fourth Proportional to 67,378,766.40, 101,068,149.60 and 24,249,376.80
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Solution
The fourth proportional to 67,378,766.40, 101,068,149.60 and 24,249,376.80 is: 36,374,065.20
Step by Step Solution
- Step 1: Write the proportion equation
67,378,766.40 : 101,068,149.60 = 24,249,376.80 : x - Step 2: Convert to fraction form
67,378,766.40/101,068,149.60 = 24,249,376.80/x - Step 3: Cross multiply
67,378,766.40x = 101,068,149.60 × 24,249,376.80 - Step 4: Simplify right side
67,378,766.40x = 2,450,839,642,129,169 - Step 5: Solve for x
x = 2,450,839,642,129,169/67,378,766.40 - Step 6: Final answer
x = 36,374,065.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.